The version-check command in the flutter/packages CI is set up to, in presubmit, look for likely-missing version changes, as well as for major version changes to platform interface packages (since we almost never actually want to do those). Because it can have false positives, we need a way to override it when it's wrong—the idea is that this is something that we frequently forget (missing versions) or someone might not realize is a big deal (major version bumps to platform interfaces), so we want something that requires a human to explicitly say "yes, we looked at this, and we deliberately chose not to do what we are doing, rather than forgetting or not realizing".

How can we handle this in LUCI tests?

(The way it works with the Cirrus config is that one of the special env variables Cirrus passes to all runs is CIRRUS_PR_LABELS, which has the current set of GitHub labels on the PR, and so we set a label to indicate that we want to override, re-run that check, and the tooling knows to then not fail. We don't need it to be that specific flow, but we need some solution.)